83473505 has 4 divisors (see below), whose sum is σ = 100168212. Its totient is φ = 66778800.

The previous prime is 83473487. The next prime is 83473543. The reversal of 83473505 is 50537438.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47389456 + 36084049 = 6884^2 + 6007^2 .

It is not a de Polignac number, because 83473505 - 2¹⁶ = 83407969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8347346 + ... + 8347355.

It is an arithmetic number, because the mean of its divisors is an integer number (25042053).

Almost surely, 2^83473505 is an apocalyptic number.

It is an amenable number.

83473505 is a deficient number, since it is larger than the sum of its proper divisors (16694707).

83473505 is a wasteful number, since it uses less digits than its factorization.

83473505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16694706.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 83473505 is about 9136.3835843292. The cubic root of 83473505 is about 437.0349976422.

The spelling of 83473505 in words is "eighty-three million, four hundred seventy-three thousand, five hundred five".